I printed one, then another, and then I thought, “I could join these together to make a chain.” Now the entertainment and possible combinations are multiplied many times.
Print two of each fidget housing, they should snap together without needing glue. At least, on my printer with 0.6 nozzle and .2mm layers they snap together so well that they won't come apart without damage.
Each fidget needs a left and a right gear.
You only need a single straight connector to connect two fidgets.
The 90 degree connector needs to be printed two times and assembled. (it might need glue.)
The author remixed this model.